CN107726491A - A kind of new heat pipe computer-room air conditioning system and its operation method - Google Patents
A kind of new heat pipe computer-room air conditioning system and its operation method Download PDFInfo
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- CN107726491A CN107726491A CN201610666554.4A CN201610666554A CN107726491A CN 107726491 A CN107726491 A CN 107726491A CN 201610666554 A CN201610666554 A CN 201610666554A CN 107726491 A CN107726491 A CN 107726491A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Energy (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of new heat pipe computer-room air conditioning system and its operation method, the system includes the one-level coolant loop and two level coolant loop being connected by heat exchanger, the two level coolant loop includes several ends, the blower fan of adjustable speed is provided with the end and for detecting the wind pushing temperature of the end or the temperature sensor of return air temperature, when the wind pushing temperature or return air temperature of the end are when outside corresponding target temperature range, adjust the evaporating temperature of refrigerant in the rotating speed or the one-level coolant loop of the blower fan, the wind pushing temperature of the end or return air temperature is set to adjust to corresponding target temperature range.Beneficial effects of the present invention：The system of the application, it is possible to prevente effectively from repeatedly heat exchange, the long heat loss brought of pipeline, and one-level coolant loop make full use of outdoor air to drive natural cooling source, is more saved by the once heat exchange of refrigerant refrigerant in two-stage coolant loop.
Description
Technical field
The present invention relates to a kind of computer-room air conditioning system, more particularly to a kind of new heat pipe computer-room air conditioning system and its operation side
Method.
Background technology
Heat pipe air conditioner realizes heat exchange as a kind of new air conditioner in machine room by the phase transformation of therein hydraulic fluid, and
Condenser perches, and only realizes that hydraulic fluid is back to end by gravity, energy-efficient in the process without power.
Compared with traditional chilled water system, hot-pipe system does not have to concern that water leakage destroys equipment within machine cabinet, and reliability is high.It is excellent based on more than
Point, hot-pipe system are gradually favored by some innovative computer rooms.
However, hot-pipe system depends on the chilled water system of computer room offer unduly, it is necessary to which water pump overcomes resistance of pipe system conveying cold
Freeze water, and water pump is one of main energy consumption equipment of air-conditioning system, irrational circuit design or pressure equaliser can be led
The waste in enable source.Small communication station for no preset chilled water system is, it is necessary to purchase handpiece Water Chilling Units and water pump system, not only
Cost of investment height is, it is necessary to take space place apparatus, and by the heat exchange twice of refrigerant-water-refrigerant, have more
Heat exchange loss.
The content of the invention
The technical problem to be solved in the present invention is, for drawbacks described above of the prior art, there is provided a kind of new heat pipe
Computer-room air conditioning system and its operation method.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of new heat pipe computer-room air conditioning system is provided, including the one-level coolant loop and two level that are connected by heat exchanger are cold
Matchmaker loop, the two level coolant loop include several ends, the blower fan of adjustable speed being provided with and for detecting on the end
The wind pushing temperature of the end or the temperature sensor of return air temperature, when the wind pushing temperature or return air temperature of the end are corresponding
Target temperature range outside when, adjust the evaporating temperature of refrigerant in the rotating speed or the one-level coolant loop of the blower fan, make
The wind pushing temperature or return air temperature of the end are adjusted to corresponding target temperature range.
In new heat pipe computer-room air conditioning system of the present invention, the one-level coolant loop includes passing through the first pipeline
It is sequentially connected and forms compressor, condenser, the first fluid reservoir, the first pump, expansion valve and the heat exchanger of circulation loop.
In new heat pipe computer-room air conditioning system of the present invention, the one-level coolant loop also includes the first check valve
And second check valve, the both ends of first check valve are connected to the first node and section point of first pipeline
Place, the both ends of second check valve are connected at the 3rd node and the fourth node of first pipeline.
In new heat pipe computer-room air conditioning system of the present invention, the both ends of the heat exchanger are distinguished by second pipe
It is connected with each end.
In new heat pipe computer-room air conditioning system of the present invention, the end is rack or room between backboard door, row
The indoor set of air-conditioning.
The present invention also provides a kind of operation method according to new heat pipe computer-room air conditioning system described above, the end
Control mode include return air control model and air blowing control pattern.
In the operation method of new heat pipe computer-room air conditioning system of the present invention, the return air control model include with
Lower step：
S11：Detect the return air temperature T of each endri, wherein, i=1,2 ..., N；
S12：Judging the absolute difference of the return air temperature return air target temperature corresponding with i-th of end of i-th of end is
It is no to be more than predetermined deviation value, such as larger than described predetermined deviation value, then step S13 is performed, otherwise, continues executing with step S11；
S13：Judge whether the return air temperature of i-th of end is more than the size of return air target temperature corresponding to i-th of end,
If return air target temperature corresponding to more than i-th end, performs step S14, otherwise, step S15 is performed；
S14：The rotation speed of fan on i-th of end is raised, judges whether the rotation speed of fan after rise reaches rotation speed of fan
Higher limit, if reaching the higher limit of rotation speed of fan, the evaporating temperature of refrigerant in one-level coolant loop is reduced, otherwise, continues to hold
Row step S12；
S15：The rotation speed of fan on i-th of end is reduced, judges whether the rotation speed of fan after reducing reaches rotation speed of fan
Lower limit, if reaching the lower limit of rotation speed of fan, the evaporating temperature of refrigerant in elevated by one step coolant loop, otherwise, continue to hold
Row step S12.
In the operation method of new heat pipe computer-room air conditioning system of the present invention, the air blowing control pattern include with
Lower step：
S21：Detect the wind pushing temperature T of each endsi, wherein, i=1,2 ..., N；
S22：Judging the absolute difference of the wind pushing temperature air-supply target temperature corresponding with i-th of end of i-th of end is
It is no to be more than predetermined deviation value, such as larger than described predetermined deviation value, then step S23 is performed, otherwise, continues executing with step S21；
S23：Judge whether the wind pushing temperature of i-th of end is more than the size of air-supply target temperature corresponding to i-th of end,
If air-supply target temperature, performs step S24 corresponding to more than i-th end, otherwise, step S25 is performed；
S24：The rotation speed of fan on i-th of end is reduced, judges whether the rotation speed of fan after reducing reaches rotation speed of fan
Lower limit, if reaching the lower limit of rotation speed of fan, the evaporating temperature of refrigerant in one-level coolant loop is reduced, otherwise, continues to hold
Row step S22；
S25：The rotation speed of fan on i-th of end is raised, judges whether the rotation speed of fan after rise reaches rotation speed of fan
Higher limit, if reaching the higher limit of rotation speed of fan, the evaporating temperature of refrigerant in elevated by one step coolant loop, otherwise, continue to hold
Row step S22.
In the operation method of new heat pipe computer-room air conditioning system of the present invention, the steaming of refrigerant in one-level coolant loop
The regulative mode of hair temperature includes condenser shaping modes and the combination shaping modes of compressor and pump.
In the operation method of new heat pipe computer-room air conditioning system of the present invention, the combination of the compressor and pump is adjusted
Section pattern includes compressor mode, press pump mixed mode and pump pattern.
In summary, implement a kind of the new heat pipe computer-room air conditioning system and its operation method of the present invention, have with following
Beneficial effect：The system of the application, without purchasing handpiece Water Chilling Units and water pump, saves water pump on the basis of hot-pipe system advantage is inherited
Installing space and energy consumption, by the direct heat transfer of refrigerant-refrigerant in two-stage coolant loop, it is possible to prevente effectively from heat loss, and
And one-level coolant loop makes full use of outdoor air to drive natural cooling source, more saves.In addition, it is directed to medium and small data center
Later stage dilatation and quick backup problem, the system dual-circulation air conditioner systems technology of hot-pipe system and natural cooling source is mutually melted
Close, and propose a kind of corresponding system operation control mode, the control mode includes return air control model and the air-supply of end
Control model.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is a kind of schematic diagram for new heat pipe computer-room air conditioning system that one of present pre-ferred embodiments provide；
Fig. 2 is a kind of schematic diagram of the two new heat pipe computer-room air conditioning systems provided of present pre-ferred embodiments；
Fig. 3 is a kind of schematic diagram of the three new heat pipe computer-room air conditioning systems provided of present pre-ferred embodiments；
Fig. 4 is a kind of stream of the return air control model of the operation method of new heat pipe computer-room air conditioning system provided by the invention
Cheng Tu；
Fig. 5 is a kind of stream of the air blowing control pattern of the operation method of new heat pipe computer-room air conditioning system provided by the invention
Cheng Tu.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in figure 1, one of present pre-ferred embodiments provide a kind of new heat pipe computer-room air conditioning system, including one-level
Coolant loop 100 and two level coolant loop 200, one-level coolant loop 100 are connected with two level coolant loop 200 by heat exchanger 6
Connect.
Wherein, one-level coolant loop 100 includes being sequentially connected by the first pipeline (non-label) and forming circulation loop
Compressor 1, condenser 2, the first fluid reservoir 3, the first pump 4, expansion valve 5 and heat exchanger 6.One-level coolant loop 100 also includes the
One check valve 8 and the second check valve 9, the both ends of the first check valve 8 are connected to the first node and the second section of the first pipeline
At point, the both ends of the second check valve 9 are connected at the 3rd node and the fourth node of first pipeline.Wherein, first
Node is on the pipeline between heat exchanger 6 and compressor 1, pipeline of the section point between compressor 1 and condenser 2
On, the 3rd node is on the pipeline between the first fluid reservoir 3 and the first pump 4, and fourth node is positioned at the first pump 4 and expansion valve 5
Between pipeline on.
Two level coolant loop 200 includes heat exchanger 6 and several ends 7, the both ends of heat exchanger 6 by second pipe (not
Label) it is connected respectively with the air outlet and return air inlet of each end 7.End 7 can be that rack or room are empty between backboard door, row
The structures such as the indoor set part of tune, be provided with end 7 the adjustable blower fan of rotating speed and for detect end 7 wind pushing temperature or
The temperature sensor (being not shown) of return air temperature.When the wind pushing temperature or return air temperature of end 7 are in corresponding target temperature model
When outside enclosing, adjust the evaporating temperature of refrigerant in the rotating speed or one-level coolant loop 100 of blower fan, make end 7 wind pushing temperature or
Return air temperature is adjusted to corresponding target temperature range.
During installation, compressor 1, condenser 2, the first fluid reservoir 3, the first pump 4 and the expansion valve 5 of one-level coolant loop 100
Roof can be arranged on as an overall unit, heat exchanger 6 then can be according to actual conditions (from caliber, difference in height, outdoor
Air ambient, heat exchanger form etc.) it is arranged in overall unit or is lifted on the computer room top where end 7.
Fig. 2 is a kind of two new heat pipe computer-room air conditioning systems provided of present pre-ferred embodiments, itself and embodiment one
Difference be, the second fluid reservoir 11 and the second pump 12 are added in two level coolant loop 200.
Specifically, one end of heat exchanger 6 by second pipe (non-label) successively with the second fluid reservoir 11, the second pump 12 and
The return air inlet of each end 7 is connected, and the other end of heat exchanger 6 is connected by second pipe with the air outlet of each end 7.
Fig. 3 is a kind of three new heat pipe computer-room air conditioning systems provided of present pre-ferred embodiments, itself and embodiment one
Difference be, do not use the first pump 4 in one-level coolant loop 100, but add head pressure valve 13 to ensure outdoor temp
The reliability of system when spending relatively low.
Specifically, one-level coolant loop 100 includes being sequentially connected by the first pipeline (non-label) and forming circulation loop
Compressor 1, condenser 2, head pressure valve 13, the first fluid reservoir 3, expansion valve 5 and heat exchanger 6.
The present invention also provides a kind of operation method according to new heat pipe computer-room air conditioning system described above, end 7
Control mode includes return air control model and air blowing control pattern.
Fig. 4 be new heat pipe computer-room air conditioning system of the present invention operation method return air control model flow chart, return air
Control model mainly includes the following steps that：
Step S11：Detect the return air temperature T of each endri, wherein, i=1,2 ..., N；Tr1Corresponding 1st end
Return air temperature, TriThe return air temperature of corresponding i-th of end, TrNThe return air temperature of corresponding n-th end.
Step S12：Judge the return air temperature T of i-th of endriCorresponding return air target temperature TrsetAbsolute difference
Whether it is more than predetermined deviation value Δ T, such as larger than described predetermined deviation value Δ T, then performs step S13, otherwise, continue executing with step
S11。
Step S13：Judge the return air temperature T of i-th of endriCorresponding return air target temperature TrsetSize, if
The return air temperature T of i-th of endriReturn air target temperature T corresponding more than itsrset, then step S14 is performed, otherwise, performs step
S15.In the present embodiment, the return air target temperature T corresponding to each endrsetSize all same.It is understood that at it
In its embodiment, the return air target temperature T corresponding to each endrsetSize can also be different.
Step S14：The rotation speed of fan of i-th of end is raised, judges whether the rotation speed of fan after rise reaches rotation speed of fan
Higher limit, if reaching the higher limit of rotation speed of fan, reduce one-level coolant loop in refrigerant evaporating temperature, otherwise, continue
Perform step S12.
Step S15：The rotating speed of the blower fan of i-th of end is reduced, judges whether the rotation speed of fan after reducing reaches blower fan and turn
The lower limit of speed, if reaching the lower limit of rotation speed of fan, the evaporating temperature of refrigerant in elevated by one step coolant loop, otherwise, after
It is continuous to perform step S12.
Under return air control model, as the return air temperature T for detecting i-th of endriGao Liao, then increase corresponding to blower fan turn
Speed, heat is distributed, make the return air temperature T of endriReduce；As the return air temperature T for detecting i-th of endriIt is low,
Rotation speed of fan corresponding to then reducing, make the return air temperature T of endriRise, avoids heat from distributing.
Fig. 5 is the flow chart of the air blowing control pattern of the operation method of new heat pipe computer-room air conditioning system of the present invention, is blown
Control model mainly includes the following steps that：
S21：Detect the wind pushing temperature T of each endsi, wherein, i=1,2 ..., N；Ts1Corresponding 1st end
Wind pushing temperature, TsiThe wind pushing temperature of corresponding i-th of end, TsNThe wind pushing temperature of corresponding n-th end.
S22：Judge the wind pushing temperature T of i-th of endsiCorresponding air-supply target temperature TssetAbsolute difference whether
More than predetermined deviation value Δ T, such as larger than described predetermined deviation value Δ T, then step S23 is performed, otherwise, continues executing with step S21.
S23：Judge the wind pushing temperature T of i-th of endsiCorresponding air-supply target temperature TssetSize, if i-th
The wind pushing temperature T of endsiMore than air-supply target temperature T corresponding to itsset, then step S24 is performed, otherwise, then performs step
S25。
In the present embodiment, the air-supply target temperature T corresponding to each endssetSize all same, each end institute is right
The return air target temperature T answeredrsetWith the target temperature T that blowsssetSize it is also identical.It is understood that in other embodiments
In, the air-supply target temperature T corresponding to each endssetSize can be different, the return air target temperature corresponding to each end
Spend TrsetWith the target temperature T that blowsssetSize can also be different.
S24：The rotation speed of fan on i-th of end is reduced, judges whether the rotation speed of fan after reducing reaches rotation speed of fan
Lower limit, if reaching the lower limit of rotation speed of fan, the evaporating temperature of refrigerant in one-level coolant loop is reduced, otherwise, continues to hold
Row step S22.
S25：The rotation speed of fan on i-th of end is raised, judges whether the rotation speed of fan after rise reaches rotation speed of fan
Higher limit, if reaching the higher limit of rotation speed of fan, the evaporating temperature of refrigerant in elevated by one step coolant loop, otherwise, continue to hold
Row step S22.
Under air blowing control pattern, as the wind pushing temperature T for detecting i-th of endsiGao Liao, then turn corresponding wind down and turn
Speed, the evaporating temperature of refrigerant in one-level coolant loop is reduced, ensure that air-supply environment temperature reduces.
The evaporating temperature of refrigerant in the two one-level coolant loops 100 provided of one of the application preferred embodiment and embodiment
Regulative mode include condenser shaping modes and the combination shaping modes of compressor and pump.Wherein, condenser shaping modes
To adjust the rotation speed of fan of condenser, the combination shaping modes of compressor and pump include compressor mode, press pump mixed mode and
Three kinds of pump pattern, the determination of these three patterns is the demand of the evaporating temperature of refrigerant in one-level coolant loop according to corresponding to end
Come what is determined.When evaporating temperature raises, close compressor can be selected, starts the first pump, that is, selects pump pattern；Conversely, can
Compressor is opened with selection, the first pump is closed, that is, selects compressor mode.
With reference to shown in Fig. 1, when in compressor mode, the refrigerant in one-level coolant loop 100 passes through compressor successively
1st, condenser 2, the first fluid reservoir 3, the second check valve 9, expansion valve 5, heat exchanger 6, the refrigerant in one-level coolant loop 100 is through changing
After refrigerant of the hot device 6 out of two level coolant loop 200 absorbs heat, compressor 1 is returned to.When in press pump mixed mode, one
Refrigerant in level coolant loop 100 is successively by compressor 1, condenser 2, the first fluid reservoir 3, the first pump 4, expansion valve 5, heat exchange
Device 6, after refrigerant of the refrigerant through heat exchanger 6 out of two level coolant loop 200 in one-level coolant loop 100 absorbs heat, finally
Return to compressor 1.When in pump pattern, the refrigerant in one-level coolant loop 100 is successively by the first check valve 8, condenser
2nd, the first fluid reservoir 3, the first pump 4, expansion valve 5, heat exchanger 6, the natural cold quantity of outside is directly used in condensation two level refrigerant
Refrigerant in loop 200.Refrigerant in two level coolant loop 200 is condensed into liquid in heat exchanger 6, under gravity
Each end is flowed into, for evaporation endothermic.In the present embodiment, in order to reduce the difference of each end piping flow, tip tube
Road uses to be designed with journey pipe.
The regulative mode bag of the evaporating temperature of refrigerant in the one-level coolant loop 100 that the three of the application preferred embodiment provide
Include condenser shaping modes and compressor mode.
In summary, implement a kind of the new heat pipe computer-room air conditioning system and its operation method of the present invention, have with following
Beneficial effect：
First, the system of the application is on the basis of hot-pipe system advantage is inherited, without purchasing handpiece Water Chilling Units and water pump, section
The installing space and energy consumption of water pump are saved, by the direct heat transfer of refrigerant-refrigerant in two-stage coolant loop, it is possible to prevente effectively from heat waste
Lose, and one-level coolant loop makes full use of outdoor air to drive natural cooling source, more saves.
Secondly, later stage dilatation and quick backup problem for medium and small data center, the system by hot-pipe system with
The dual-circulation air conditioner systems technology of natural cooling source blends, and proposes a kind of corresponding system operation control mode, the control
Mode includes the return air control model and air blowing control pattern of end.
3rd, outside system architecture is compact, and without especially reserved installing space, and end uses and designed with journey pipe, subtracts
Influence of the small each pressure-drop in pipeline to flow.
Although the present invention is illustrated by specific embodiment, it will be appreciated by those skilled in the art that, do not departing from
In the case of the scope of the invention, various conversion and equivalent substitute can also be carried out to the present invention.In addition, it is directed to particular condition or material
Material, can make various modifications, without departing from the scope of the present invention to the present invention.Therefore, the present invention is not limited to disclosed tool
Body embodiment, and the whole embodiments fallen within the scope of the appended claims should be included.
Claims (10)
1. a kind of new heat pipe computer-room air conditioning system, it is characterised in that including the one-level coolant loop being connected by heat exchanger (6)
(100) and two level coolant loop (200), the two level coolant loop (200) includes several ends (7), on the end (7)
It is provided with the blower fan of adjustable speed and for detecting the wind pushing temperature of the end (7) or the temperature sensor of return air temperature, works as institute
State end (7) wind pushing temperature or return air temperature when outside corresponding target temperature range, adjust the blower fan rotating speed or
The evaporating temperature of the interior refrigerant of the one-level coolant loop (100), make the wind pushing temperature of the end (7) or return air temperature adjust to
Within corresponding target temperature range.
2. new heat pipe computer-room air conditioning system according to claim 1, it is characterised in that the one-level coolant loop
(100) include being sequentially connected by the first pipeline and forming the compressor (1), condenser (2), the first fluid reservoir of circulation loop
(3), the first pump (4), expansion valve (5) and the heat exchanger (6).
3. new heat pipe computer-room air conditioning system according to claim 2, it is characterised in that the one-level coolant loop
(100) the first check valve (8) and the second check valve (9) are also included, the both ends of first check valve (8) are connected to described
At the first node and section point of first pipeline, the both ends of second check valve (9) are connected to first pipeline
The 3rd node and fourth node at.
4. new heat pipe computer-room air conditioning system according to claim 1, it is characterised in that the both ends of the heat exchanger (6)
It is connected respectively with each end (7) by second pipe.
5. new heat pipe computer-room air conditioning system according to claim 1, it is characterised in that the end (7) be backboard door,
The indoor set of rack or room air conditioner between row.
A kind of 6. operation method of new heat pipe computer-room air conditioning system according to claim 1, it is characterised in that the end
The control mode at end (7) includes return air control model and air blowing control pattern.
7. the operation method of new heat pipe computer-room air conditioning system according to claim 6, it is characterised in that the return air control
Molding formula comprises the following steps：
S11：Detect the return air temperature T of each endri, wherein, i=1,2 ..., N；
S12：Judge whether the absolute difference of the return air temperature return air target temperature corresponding with i-th of end of i-th of end is big
In predetermined deviation value, such as larger than described predetermined deviation value, then step S13 is performed, otherwise, continues executing with step S11；
S13：Judge whether the return air temperature of i-th of end is more than the size of return air target temperature corresponding to i-th of end, if greatly
In return air target temperature corresponding to i-th of end, then step S14 is performed, otherwise, perform step S15；
S14：The rotation speed of fan on i-th of end is raised, judges whether the rotation speed of fan after rise reaches the upper limit of rotation speed of fan
Value, if reaching the higher limit of rotation speed of fan, the evaporating temperature of refrigerant in one-level coolant loop is reduced, otherwise, continues executing with step
Rapid S12；
S15：The rotation speed of fan on i-th of end is reduced, judges whether the rotation speed of fan after reducing reaches the lower limit of rotation speed of fan
Value, if reaching the lower limit of rotation speed of fan, the evaporating temperature of refrigerant in elevated by one step coolant loop, otherwise, continues executing with step
Rapid S12.
8. the operation method of new heat pipe computer-room air conditioning system according to claim 5, it is characterised in that the air-supply control
Molding formula comprises the following steps：
S21：Detect the wind pushing temperature T of each endsi, wherein, i=1,2 ..., N；
S22：Judge whether the absolute difference of the wind pushing temperature air-supply target temperature corresponding with i-th of end of i-th of end is big
In predetermined deviation value, such as larger than described predetermined deviation value, then step S23 is performed, otherwise, continues executing with step S21；
S23：Judge whether the wind pushing temperature of i-th of end is more than the size of air-supply target temperature corresponding to i-th of end, if greatly
In target temperature of being blown corresponding to i-th of end, then step S24 is performed, otherwise, perform step S25；
S24：The rotation speed of fan on i-th of end is reduced, judges whether the rotation speed of fan after reducing reaches the lower limit of rotation speed of fan
Value, if reaching the lower limit of rotation speed of fan, the evaporating temperature of refrigerant in one-level coolant loop is reduced, otherwise, continues executing with step
Rapid S22；
S25：The rotation speed of fan on i-th of end is raised, judges whether the rotation speed of fan after rise reaches the upper limit of rotation speed of fan
Value, if reaching the higher limit of rotation speed of fan, the evaporating temperature of refrigerant in elevated by one step coolant loop, otherwise, continues executing with step
Rapid S22.
9. the operation method of new heat pipe computer-room air conditioning system according to claim 6, it is characterised in that one-level refrigerant returns
The regulative mode of the evaporating temperature of refrigerant includes condenser shaping modes and the combination shaping modes of compressor and pump in road.
10. the operation method of new heat pipe computer-room air conditioning system according to claim 9, it is characterised in that the compression
The combination shaping modes of machine and pump include compressor mode, press pump mixed mode and pump pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610666554.4A CN107726491B (en) | 2016-08-12 | 2016-08-12 | Novel heat pipe machine room air conditioning system and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610666554.4A CN107726491B (en) | 2016-08-12 | 2016-08-12 | Novel heat pipe machine room air conditioning system and operation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107726491A true CN107726491A (en) | 2018-02-23 |
| CN107726491B CN107726491B (en) | 2020-02-18 |
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Family Applications (1)
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| CN201610666554.4A Active CN107726491B (en) | 2016-08-12 | 2016-08-12 | Novel heat pipe machine room air conditioning system and operation method thereof |
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